RIGHT NOWComet 53P/Van Biesbroeck is below the horizon from Greenwich, United Kingdom

The rise and set times are defined as the time at which the upper limb of Comet 53P/Van Biesbroeck touches the horizon,
consideting the effect of the atmospheric refraction. As the atmoshpere conditions cannot be modeled precisely the
times reported here should be considered correct with an approximation of few minutes.